BALL SCREW AND SPLINE MECHANISM FOR USE IN INDUSTRIAL MECHANICAL MANIPULATORS TO PROVIDE ROTATION AND VERTICAL MOVEMENT OF A TOOL, AND PARTS THEREFOR

Education services, namely, training educators in the field of robotics and providing curricula in connection therewith; Educational and entertainment services for children, namely, providing interactive play areas, instructional classes in the field of robotics and social gatherings for children; Entertainment and educational services in the nature of competitions in the field of entertainment, education, culture, sports, and other non-business and non-commercial fields; Entertainment in the...